Repair of electrical equipment
Respirators and their use. Useful for electrical engineering: electricity and electronics
The most common filter respirators of the "Petal" type, R-2, RPA-1, ZM-9925, RPG-67, RU-60m are described.
Protection of a person from the effects of electromagnetic radiation. Useful for electrician: electrical engineering and electronics
Electromagnetic radiation is almost ubiquitous. Many people believe that electromagnetic radiation occurs only in electrical installations. But this far...
Properties and application of rays from the optical spectrum. Useful for electrician: electrical engineering and electronics
Of all the types of radiation in the optical spectrum, visible radiation (light) is the most widely used. Visible is the radiation that can directly...
How the electric fence works and how it works (electrical organization). Useful for electrician: electrical engineering and electronics
Electric fences (electric shepherds) are installed to fence pastures in country pastures, to protect crops from animals, hay...
Specific electrical resistance of the earth. Useful for electrician: electrical engineering and electronics
The upper layers of the earth's crust, in which the currents of electrical installations can flow, are usually called earth. The property of...
Show more

We advise you to read:

Why is electric current dangerous?